>> well... arner: and not become a target of all these questions about the ryan plan. >> you know, a debate where people said that republicans won, that would be great news for the romney team trying to build on this progress that they made since the last debate. because of course as andy knows better than anyone, findings that go your way quickly can go away quickly. it indicates a race in some flux. i think specifically they're going to want to be in a position to defend the attacks they know are coming especially on the issues of medicare and domestic spending because you can tie paul ryan to the paul ryan budget plan that has some things that will be controversial with voters including voters in swing states. >> warner: a quick final thought from you. to what degree to vice presidential debates shift the momentum of any campaign. >> hardly much at all. the famous debate we think about is benson and quail. >> warner: you're no jack kennedy. >> had no impact on the race. four years ago when palin and biden debated, biden's victory over palin added to the problems that mccain was ha